National Junior College — H2 Maths Prelim Questions & Worked Solutions
2025 · Paper 1 · Complex NumbersSolve simultaneous complex equations, then interpret w/z = i as a 90° rotation.●●○2025 · Paper 1 · Maclaurin SeriesBinomial and exponential series build a composite expansion, then integrate to approximate an integral.●●●2025 · Paper 2 · Complex NumbersFind modulus and argument of a complex number, then use Argand-diagram geometry to deduce arg(2-w).●●○